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A: Straight entry point of needle in the non-pregnant state; B: Straight exit point of needle in the non-pregnant state; C: Cerclage location in the non-pregnant state; D: Hysteroscopy; E: Surgical approach in the pregnant state with opened broad ligament; F: Straight entry and exit points of needle in the pregnant state; G: Cerclage location in the pregnant state; H: Dorsal surface of the uterus in the pregnant state.
